346640241 has 4 divisors (see below), whose sum is σ = 462186992. Its totient is φ = 231093492.

The previous prime is 346640221. The next prime is 346640249. The reversal of 346640241 is 142046643.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 346640241 - 2⁵ = 346640209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346640199 and 346640208.

It is not an unprimeable number, because it can be changed into a prime (346640249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57773371 + ... + 57773376.

It is an arithmetic number, because the mean of its divisors is an integer number (115546748).

Almost surely, 2^346640241 is an apocalyptic number.

It is an amenable number.

346640241 is a deficient number, since it is larger than the sum of its proper divisors (115546751).

346640241 is a wasteful number, since it uses less digits than its factorization.

346640241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115546750.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 346640241 is about 18618.2770685152. The cubic root of 346640241 is about 702.4676452384.

Adding to 346640241 its reverse (142046643), we get a palindrome (488686884).

The spelling of 346640241 in words is "three hundred forty-six million, six hundred forty thousand, two hundred forty-one".